'pg1.page_namespace IS NULL',
"pl_namespace NOT IN ( '" . NS_USER . "', '" . NS_USER_TALK . "' )",
"pg2.page_namespace != '" . NS_MEDIAWIKI . "'"
'pg1.page_namespace IS NULL',
"pl_namespace NOT IN ( '" . NS_USER . "', '" . NS_USER_TALK . "' )",
"pg2.page_namespace != '" . NS_MEDIAWIKI . "'"